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소숫점: 1자리 덧셈31

1
3.1
+
9.4
=
12.5
2
3.9
+
6.5
=
10.4
3
2.5
+
1.2
=
3.7
4
8.4
+
4.3
=
12.7
5
4.5
+
3.1
=
7.6
6
1.4
+
5.3
=
6.7
7
6.2
+
5.3
=
11.5
8
4.7
+
1.9
=
6.6
9
4.2
+
8.3
=
12.5
10
7.6
+
5.7
=
13.3
11
8.2
+
1.6
=
9.8
12
1.1
+
3.5
=
4.6
13
7.2
+
3.5
=
10.7
14
5.2
+
9.9
=
15.1
15
2.6
+
9.3
=
11.9